Method for testing solder mask material

Details Method for testing solder mask material Method for testing solder mask material

1994-12-30

1996-03-26

Tung, T.

Electrolysis: processes, compositions used therein, and methods

Electrolytic analysis or testing

For properties of solid material

204400, 204434, 427304, 427305, G01N 2726, B05D 310

Patent

active

055017770

ABSTRACT:
Disclosed is a method for testing solder mask material for suitability with an electroless plating process. The Emix potential of the electroless bath is measured. A test substrate including the mask material is then immersed in an electrolyte, and a constant potential at least equal to the Emix potential is applied to a pair of electrodes also immersed in the electrolyte. The test substrate is then inspected to determine adherence of the mask material.

REFERENCES:
patent: 3223598 (1965-12-01), Jacky et al.
patent: 3408270 (1968-10-01), Gentile
patent: 3770593 (1973-10-01), Dick
patent: 4541902 (1985-09-01), Kinoshita et al.
patent: 4654126 (1987-03-01), Amelio et al.

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